25272148366081 has 8 divisors (see below), whose sum is σ = 26613453013280. Its totient is φ = 23931962876448.

The previous prime is 25272148366051. The next prime is 25272148366093. The reversal of 25272148366081 is 18066384127252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25272148366081 - 2⁷ = 25272148365953 is a prime.

It is a super-2 number, since 2×25272148366081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25272148366051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279743031 + ... + 279833356.

It is an arithmetic number, because the mean of its divisors is an integer number (3326681626660).

Almost surely, 2^{25272148366081} is an apocalyptic number.

It is an amenable number.

25272148366081 is a deficient number, since it is larger than the sum of its proper divisors (1341304647199).

25272148366081 is a wasteful number, since it uses less digits than its factorization.

25272148366081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559578783.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 25272148366081 in words is "twenty-five trillion, two hundred seventy-two billion, one hundred forty-eight million, three hundred sixty-six thousand, eighty-one".